The Monthly Film Bulletin wrote: "Take one of England's statelier homes, serving as headquarters for a ruthless criminal conspiracy by a sisterhood of nuns engaged in smuggling, bank-robbery and murder; add a matriarch behaving like a genteel
Doctor Mabuse, whose son is kinky for French girls' blonde hair, and whose daughter displays marked transvestite tendencies; throw in Robert Morley pouting petulantly, and you should have the ingredients for an entertaining thriller. Apparently you don't. The film is confused, rambling, and almost entirely lacking in humour or real tension. However, it is mostly agreeable to look at, thanks to the photography and art direction. Susan Hampshire and James Culliford adequately portray mental imbalance, and there is an excellent performance by Cathleen Nesbitt, of whom one would happily have seen much more."
The Radio Times called it a "farcical British crime drama."
Variety noted, "a complicated Scotland Yard whodunit which the spectator will find taxing to follow ... Script is pocketed with story loopholes and attempts to confuse, plus certain motivations and bits of business impossible to fathom. Granger still makes a good impression."
Allmovie wrote, "there are plenty of twists in the storyline of this often complex mystery feature." ==Soundtrack==